There are many website full of teaching resources such as lesson plans, project ideas, graphical organizers, rubrics, etc. As you come across them, please link this to this page.
School Resources section of Discovery in Education - Discovery in Education is a private access teacher resource site, but it also has some free resources linked to this page. Resources include a lesson plan library, a puzzle maker, Kathy Schrock's Teacher Resources, and access to a clip art gallery.
4Teachers - 4Teachers.org works to help you integrate technology into your classroom by offering online tools and resources. - This site helps teachers locate and create ready-to-use Web lessons, quizzes, rubrics and classroom calendars. There are also tools for student use. Discover valuable professional development resources addressing issues such as equity, ELL, technology planning, and at-risk or special-needs students.
http://k12onlineconference.org/ is the website for an online PD conference held each fall. This free conference tends to focus on applying "bleeding edge" technologies to the challenge of teaching effectively. Click on the "First Timers" link to find out how to participate in the conference.
Nick Johnstone's Science Entertainment page - This page contains links to science songs, games, etc. mainly focused on the entertaining aspects of science.
General Online Resources for Teachers
There are many website full of teaching resources such as lesson plans, project ideas, graphical organizers, rubrics, etc. As you come across them, please link this to this page.